Advertisements
Advertisements
प्रश्न
If `x/2 = 3`, then the value of 3x + 2 is ______.
विकल्प
20
11
`13/2`
8
Advertisements
उत्तर
If `x/2 = 3`, then the value of 3x + 2 is 20.
Explanation:
Given, `x/2 = 3`
On multiplying both sides by 2, we get
`x/2 xx 2 = 3 xx 2`
⇒ x = 3 × 2 = 6
Put x = 6 in the equation 3x + 2, we get
3(6) + 2 = 18 + 2 = 20
APPEARS IN
संबंधित प्रश्न
If p = −2, q = −1 and r = 3, find the value of p4 + q4 − r4
Write the coefficient of x in 13x
Write the numerical coefficient of 7xyz
Write all the terms of the algebraic expressions:
9x3 − 5z4 + 7z3 y − xyz
Subtract:
−7x from 9y
Subtract:
10x2 from −7x2
Subtract:
5a + 7b − 2c from 3a − 7b + 4c
If A = 7x2 + 5xy − 9y2, B = −4x2 + xy + 5y2 and C = 4y2 − 3x2 − 6xy then show that A + B + C = 0.
Give expression for the following case.
p multiplied by − 5
Form expressions using t and 4. Use not more than one number operation. Every expression must have t in it.
